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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                瀏覽器端發送的信息 **http請求:** 請求行 消息頭 消息體(實體內容,發送的數據) accept:可以接收什么類型 的數據 referer:請求從哪兒來的 accpt-langage:瀏覽器可以接收什么語言 user-agent:告訴服務器我的系統信息 accpet-encodeing:表示接收什么樣的數據壓縮格式 host: 80 主機:端口 ~~~ GET /1.php HTTP/1.1 //請求頭:get為請求的方法,請求資源:www.php.com /1.php Accept: text/html, application/xhtml+xml, */* //客戶端可以接受什么類型的信息 */*任何數據類型 referer:.................................//表名這個頁面是從哪兒來的,根據值可以進行對應操作 X-HttpWatch-RID: 18845-10009 Accept-Language: zh-CN //接受的語言 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko //告訴服務器瀏覽器操作系統信息 Accept-Encoding: gzip, deflate //支持什么樣的壓縮形式,數據發送的時候壓縮,節省帶寬 Host: www.php.com //請求的主機 DNT: 1 Connection: Keep-Alive //這是個長連接 ~~~ 瀏覽器接收的信息 ~~~ HTTP/1.1 200 OK Date: Sun, 16 Oct 2016 05:43:30 GMT Server: Apache/2.4.10 (Win32) OpenSSL/0.9.8zb PHP/5.3.29 X-Powered-By: PHP/5.3.29 Content-Length: 24 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: text/html //以上是為了告訴瀏覽器如何展示信息,在瀏覽器里面是不會輸出的 <meta charset='utf-8'>80 ~~~ ![](https://box.kancloud.cn/ec5f54ed910d4859140ed8739af4c447_978x524.png) ![](https://box.kancloud.cn/954819e7f6e4e9f8a23ad40c52dda540_943x429.png) ## 獲取發送的信息:$_SERVER ~~~ foreach ($_SERVER as $key => $value) { echo $key."=".$value."<br/>"; } ~~~ 服務器二次封裝后,加入新的內容 輸出的信息: ~~~ HTTP_ACCEPT=text/html, application/xhtml+xml, */* HTTP_X_HTTPWATCH_RID=18845-10130 HTTP_ACCEPT_LANGUAGE=zh-CN HTTP_USER_AGENT=Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko HTTP_ACCEPT_ENCODING=gzip, deflate HTTP_HOST=www.php.com HTTP_DNT=1 HTTP_CONNECTION=Keep-Alive PATH=C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Common Files\microsoft shared\TigerKin;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Common Files\microsoft shared\TigerKin;d:\soft\less;C:\Program Files\nodejs\; SystemRoot=C:\Windows COMSPEC=C:\Windows\system32\cmd.exe PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC WINDIR=C:\Windows SERVER_SIGNATURE= SERVER_SOFTWARE=Apache/2.4.10 (Win32) OpenSSL/0.9.8zb PHP/5.3.29 SERVER_NAME=www.php.com SERVER_ADDR=127.0.0.1 SERVER_PORT=80 REMOTE_ADDR=127.0.0.1 DOCUMENT_ROOT=D:/www/php REQUEST_SCHEME=http CONTEXT_PREFIX= CONTEXT_DOCUMENT_ROOT=D:/www/php SERVER_ADMIN=admin@phpStudy.net SCRIPT_FILENAME=D:/www/php/1.php REMOTE_PORT=52088 GATEWAY_INTERFACE=CGI/1.1 SERVER_PROTOCOL=HTTP/1.1 REQUEST_METHOD=GET QUERY_STRING= REQUEST_URI=/1.php SCRIPT_NAME=/1.php PHP_SELF=/1.php REQUEST_TIME=1476601120 ~~~ 在服務器端,通過預定義數組$_SERVER,獲取指定信息 常用: 端口號:SERVER_PORT 客戶端IP:REMOTE_ADDR apache主目錄:DOCUMENT_ROOT 從哪個頁面來的:HTTP_REFERER 主機名:HTTP_ROOT 請求串:REQUEST_URI 獲取請求的資源名 瀏覽器:HTTP_USER_AGENT PHP版本:SERVER_SOFTWARE ## 請求種類: post get head options delete trace put post和get區別 1. 安全性 get會顯示在地址欄 post放在http協議的消息體里面 2. 從提交數據大小來看 http協議沒有限制,但是瀏覽器有限制,get數據是2k+35,post請求沒有限制 3. get請求添加到收藏夾更方便
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